CVE intelligence

CVE-2026-21589

Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability

Atlassian · Published 2026-10-05 · CVSS

CVE-2026-21589

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H

AVAttack Vector: Network
ACAttack Complexity: Low
ATAttack Requirements: None
PRPrivileges Required: None
UIUser Interaction: None
VCVulnerable System Confidentiality: High
VIVulnerable System Integrity: None
VAVulnerable System Availability: None
SCSubsequent System Confidentiality: High
SISubsequent System Integrity: High
SASubsequent System Availability: High

critical · KEV listed 2026-10-15 · Action due 2026-10-18